body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 16px;
  transition: background var(--transition), color var(--transition);
}

.app {
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 16px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  flex-shrink: 0;
}

.logo-text {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin: 0;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-secondary);
  font-size: 1.2rem;
  transition: background var(--transition), transform var(--transition);
}

.icon-btn:hover {
  background: var(--color-secondary-hover);
  transform: scale(1.05);
}

.icon-btn:active {
  transform: scale(0.95);
}

.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: inline; }

.main {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  transition: background var(--transition), box-shadow var(--transition);
}

.main:hover {
  box-shadow: var(--shadow-lg);
}

body.focus-mode {
  background: var(--color-surface);
  padding: 0;
}

.app.focus-mode .header-actions,
.app.focus-mode .stats,
.app.focus-mode .footer {
  display: none;
}

.app.focus-mode .main {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding: 48px 24px;
}

.app.focus-mode .main:hover {
  box-shadow: none;
}

.app.focus-mode .timer-ring {
  width: 260px;
  height: 260px;
}

.app.focus-mode .timer-time {
  font-size: clamp(3rem, 14vw, 4rem);
}

.app.focus-mode .focus-toggle {
  background: var(--color-primary);
  color: #fff;
}

.focus-toggle {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-secondary);
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform var(--transition);
  z-index: 1;
}

.focus-toggle:hover {
  background: var(--color-secondary-hover);
  transform: scale(1.05);
}

.focus-toggle:active {
  transform: scale(0.95);
}

@media (min-width: 600px) {
  .app.focus-mode .timer-ring {
    width: 320px;
    height: 320px;
  }

  .app.focus-mode .timer-time {
    font-size: clamp(3.5rem, 12vw, 5rem);
  }
}

.timer-display {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timer-ring {
  position: relative;
  width: 220px;
  height: 220px;
}

.timer-ring svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.ring-bg {
  fill: none;
  stroke: var(--color-ring-bg);
  stroke-width: 8;
  transition: stroke var(--transition);
}

.ring-progress {
  fill: none;
  stroke: var(--color-ring-progress);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.3s ease, stroke var(--transition);
}

.timer-time {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(2.5rem, 12vw, 3rem);
  font-weight: 700;
  letter-spacing: 2px;
  font-variant-numeric: tabular-nums;
}

.timer-phase {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-text-secondary);
  margin-top: 8px;
  transition: color var(--transition), opacity var(--transition);
}

.timer-phase.fade {
  opacity: 0;
  transition: none;
}

.timer-encouragement {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-text-secondary);
  margin-top: 8px;
  min-height: 1.2em;
  display: none;
  text-align: center;
}

.lofi-now-playing {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
  text-align: center;
  opacity: 0.8;
}

.controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-secondary-hover);
}

.cycles-progress {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cycle-dots {
  display: flex;
  gap: 8px;
}

.cycle-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-ring-bg);
  transition: background var(--transition);
}

.cycle-dot.active {
  background: var(--color-primary);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

.cycle-dot.done {
  background: var(--color-success);
}

.cycle-info {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: background var(--transition), box-shadow var(--transition);
  animation: slideUp 0.3s ease;
  position: relative;
}

.stats:hover {
  box-shadow: var(--shadow-lg);
}

.stats-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.stats-today {
  text-align: center;
}

.stats-value {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.stats-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.stats-week,
.stats-month {
  text-align: center;
}

.week-chart {
  display: flex;
  justify-content: center;
  gap: 6px;
  height: 100px;
  align-items: flex-end;
  overflow: hidden;
}

.bar-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  max-width: 32px;
  height: 100%;
}

.bar {
  width: 100%;
  background: var(--color-bar);
  border-radius: 4px 4px 0 0;
  min-height: 4px;
  transition: height 0.4s ease, background var(--transition);
  cursor: help;
  position: relative;
  margin-top: auto;
}

.bar:hover {
  opacity: 0.8;
}

.month-chart {
  display: flex;
  justify-content: center;
  gap: 4px;
  height: 80px;
  align-items: flex-end;
  margin-top: 8px;
  overflow: hidden;
}

.month-bar-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  max-width: 24px;
  height: 100%;
}

.month-bar {
  width: 100%;
  background: var(--color-success);
  border-radius: 3px 3px 0 0;
  min-height: 3px;
  transition: height 0.4s ease;
  cursor: help;
  margin-top: auto;
}

.month-bar-wrapper::after {
  content: attr(data-month);
  font-size: 0.6rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.bar-wrapper[data-day]::after {
  content: attr(data-day);
  font-size: 0.7rem;
  color: var(--color-text-secondary);
}

.stats-streak {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 1rem;
}

.streak-icon {
  font-size: 1.3rem;
}

.streak-value {
  font-weight: 700;
  font-size: 1.2rem;
}

.streak-label {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  padding: 8px 0 16px;
  transition: color var(--transition);
}

.footer a {
  color: var(--color-primary);
  font-weight: 600;
  transition: color var(--transition);
}

.footer a:hover {
  color: var(--color-primary-hover);
}

.heart {
  color: var(--color-primary);
}

.stats-empty {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding: 12px 0;
  font-style: italic;
}

.stats-actions {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1;
}

.dropdown {
  position: relative;
}

.dropdown-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  border: none;
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
  line-height: 1;
}

.dropdown-btn:hover {
  background: var(--color-secondary-hover);
  transform: scale(1.05);
}

.dropdown-btn:active {
  transform: scale(0.95);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-ring-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 10;
  min-width: 160px;
}

.dropdown-item {
  display: block;
  width: 100%;
  background: none;
  border: none;
  font-size: 0.8rem;
  color: var(--color-text);
  cursor: pointer;
  padding: 10px 16px;
  text-align: left;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.dropdown-item:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.dropdown-item-danger {
  color: var(--color-danger, #e74c3c);
}

.dropdown-item-danger:hover {
  color: var(--color-danger, #e74c3c);
  background: rgba(231, 76, 60, 0.1);
}

.lofi-player {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.settings-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
  animation: fadeIn 0.2s ease;
}

.settings-overlay[hidden] {
  display: none;
}

.settings-modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.2s ease;
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 0;
}

.settings-header h2 {
  font-size: 1.2rem;
  font-weight: 600;
}

.settings-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.setting-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.setting-group label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.setting-group input {
  padding: 10px 12px;
  border: 2px solid var(--color-ring-bg);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 1rem;
  width: 100%;
  transition: border-color var(--transition);
}

.setting-group select {
  padding: 10px 12px;
  border: 2px solid var(--color-ring-bg);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 1rem;
  width: 100%;
  transition: border-color var(--transition);
  appearance: auto;
  cursor: pointer;
}

.setting-group select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.setting-group input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.setting-group input.input-error {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-success);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 200;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.25s ease;
}

.toast[hidden] { display: none; }

@keyframes toastIn {
  from { transform: translateX(-50%) translateY(20px); opacity: 0; }
  to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

.settings-footer {
  padding: 0 24px 20px;
}

.settings-footer .btn {
  width: 100%;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.logo-shine { stop-color: var(--logo-shine); }
.logo-mid { stop-color: var(--logo-mid); }
.logo-dark { stop-color: var(--logo-dark); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 600px) {
body {
    align-items: center;
    padding: 24px;
  }

  .app {
    padding-top: 0;
  }

  .timer-ring {
    width: 260px;
    height: 260px;
  }

  .timer-time {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }

  .stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .stats-week,
  .stats-month {
    grid-column: 1 / -1;
  }

  .week-chart {
    height: 120px;
  }
}

@media (min-width: 900px) {
  .app {
    max-width: 600px;
  }

  .timer-ring {
    width: 300px;
    height: 300px;
  }

  .timer-time {
    font-size: clamp(2.5rem, 8vw, 4rem);
  }
}